_=GML_ID:String,NAME:String,PARENT_ID:String
1=scns.1|A_nested_second|scnf.1
2=scns.2|B_nested_second|scnf.3
3=scns.3|C_nested_second|scnf.3
4=scns.4|D_nested_second|scnf.3
5=scns.5|E_nested_second|scnf.2
